The StarTech USB Bluetooth 5.0 adapter connects multiple devices simultaneously. It features a RTL8761B chipset and supports latest Windows and Linux versions for versatile use. This adapter is backward compatible with Bluetooth 4.0, 3.0, 2.0, and 1.0, and supports Bluetooth EDR and Low Energy (BLE) to optimize battery life when using a laptop and a compatible BLE device. | StarTech USB Bluetooth 5.0 Adapter (USBA-BLUETOOTH-V5-C2)